1001004772 has 6 divisors (see below), whose sum is σ = 1751758358. Its totient is φ = 500502384.

The previous prime is 1001004757. The next prime is 1001004773. The reversal of 1001004772 is 2774001001.

It can be written as a sum of positive squares in only one way, i.e., 961992256 + 39012516 = 31016^2 + 6246^2 .

It is not an unprimeable number, because it can be changed into a prime (1001004773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125125593 + ... + 125125600.

Almost surely, 2^1001004772 is an apocalyptic number.

It is an amenable number.

1001004772 is a deficient number, since it is larger than the sum of its proper divisors (750753586).

1001004772 is a wasteful number, since it uses less digits than its factorization.

1001004772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250251197 (or 250251195 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1001004772 is about 31638.6594532701. The cubic root of 1001004772 is about 1000.3348118885.

Adding to 1001004772 its reverse (2774001001), we get a palindrome (3775005773).

The spelling of 1001004772 in words is "one billion, one million, four thousand, seven hundred seventy-two".